If more than 80% of the fund assets are invested in bonds, it is a bond fund. Bond funds are divided into seven secondary categories according to the different investment scope and investment objectives, such as standard bond funds, ordinary bond funds, convertible bond funds, index bond funds, bond grading sub-funds, short-term financial bond funds and specific strategy bond funds.

Standard bond funds only invest in fixed-income financial instruments. According to the term allocation of fixed income financial instruments, it is divided into long-term standard bond funds and short-term standard bond funds. Long-term standard bond funds and short-term standard bond funds participate in the rating and performance ranking of the same type of funds.

Mainly fixed-income financial instruments, but ordinary bond funds can invest in equity financial instruments such as stocks. Among them, those who only participate in the subscription of new shares in the primary market are ordinary bond funds (primary); Other financial instruments that can be invested in publicly issued and listed stocks and warrants allowed by China Securities Regulatory Commission are ordinary bond funds (Grade II). Ordinary bond funds (tier 1) and ordinary bond funds (tier 2) participate in the rating and performance ranking of the same type of funds.

The performance of long-term pure debt is better than short-term pure debt. Long-term pure bonds include: China Merchants Antai Bond (Class A), Rongtong Bond (Class A/B), China Merchants Antai Bond (Class B), Shangtou Morgan Pure Bond (Class B), Guo Fu Xingye Bond, Huaan Credit Four Seasons Red Bond, Rongtong Bond (Class C) and E Fund Pure Bond.